Description
Physocarpus are unbestachelte, deciduous shrubs, the bark peels off in thin strips. Its leaves are alternate are triple lobed, the unverwachsenen stipules are early fall.
The inflorescence is a terminal, rounded up scheintraubenförmige grape. The flowers are hermaphrodite and five parts. The flower cup is bell-shaped and open top, a Außenkelch missing a disc can not be detected.
The sepals are neighbors, each other but not overlap, the petals are white. The stamens are numerous. There are two to five adherent to each other at the base stamp and two to four ovules.
The fruit is a stalked, large inflated Sammelbalgfrucht that protrudes from the flower cup, the fruits open along the seams. The few seeds have a shiny, hard shell.
Distribution
The genus is found almost entirely in North America with the exception of Physocarpus amurensis in Northeast Asia. It grows mostly on river banks or similar moist locations.
The Schneeballblättrige bladder mast (Physocarpus opulifolius) is a common ornamental shrub in Europe and appears increasingly as a garden escapee.
Source: http://de.wikipedia.org/wiki/Physocarpus
See Also: International Flower Delivery, Florist
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